Everything you need to know cheat for Tony Hawk's Underground

Perfect rail balance Select "Cheat Codes" at the options menu, then enter "letitslide" as a code. Alternately, get all 129 goals.

All FMV sequences Select "Cheat Codes" at the options menu, then enter "digivid" as a code to unlock all FMV sequences.

Cool Specials Get all 129 goals.

Kid Mode Get all 129 goals.

Rollerskates Get all 129 goals.

Flame Get all 129 goals.

Always Special Get all 129 goals.

Perfect Skitch Get all 129 goals.

Perfect Manual Get all 129 goals.

Moon Gravity Get all 129 goals.

Hangar level In the Moscow level, find the place where there are a lot of tanks and a building that reads "AEHNH". Stand in front of the building to the left. Line your self with the brown ledge. Climb up it. Stand on the brown ledge that you are about to grind on. If you are in the correct location, to your left should be a tree and straight ahead should be a big red building palace-looking thing. Grind that ledge and jump toward the previous viewed window. You should go down a ramp. Where the ramp is located, is a ramp that goes up on the right, revealing the "Tony Hawk 2" icon as you went down the ramp to unlock the Hangar level from Tony Hawk's Pro Skater 2.

Hotter Than Hell level Successfully complete story mode to unlock the Hotter Than Hell level.

Venice Beach level From the large hotel you start at in the Hawaii level, follow the main road all the way around in either direction. When you find the strip of buildings that are opposite on the map from the hotel, you will find a large tiki head. Alternately, go out the front doors of the hotel and through the plaza all the way out the other side. Jump inside the tiki head's mouth to find a secret area. Skate down the tunnel until the end and boneless into the air to grab the "Tony Hawk 2" icon to unlock the Venice Beach level from Tony Hawk's Pro Skater 2. Note: Think of the map as a square. If the beach is at the bottom, the tiki head is on the top side of the map. It is much easier to get inside the tiki head's mouth if you dismount your board first.

School 2 level In the New Jersey level, cross the bridge, then get on top of the large building immediately afterwards. Shimmy across the tall gate and pull yourself onto a ledge. There will be a "Tony Hawk 2" icon on the ledge alongside a tall building that will unlock the School 2 level from Tony Hawk's Pro Skater 2.

Play as Gene Simmons Successfully complete story mode on the normal difficulty setting to unlock Gene Simmons.

Play as Iron Man Successfully complete story mode on the beginner difficulty setting to unlock Iron Man.

Play as Pedestrians Find all gaps in the game to unlock the Pedestrians.

Play as T.H.U.D. Successfully complete story mode on the sick difficulty setting to unlock T.H.U.D. Note: In the Neversoft FMV sequence at the start of the game, the boy that gets eaten is Eric. The thing that pops out to eat him is T.H.U.D.

Kiss Concert FMV sequence Collect all the letters that spell K-I-S-S in the Hotter Than Hell level. This will unlock the Kiss FMV sequence. Then, collect K-I-S-S again. This will start the Kiss Concert.

Jump higher While off your skateboard (walking), when you jump the first time, you can also jump a second time while still in the air (if you keep tapping Jump). This is very helpful for out of reach places. Note: You can only jump twice.

Use any car used previously After completing any goal that you had to use a car, you can find that car somewhere in that level as well.

Scratched up deck Create your own deck or get any pre-made one. Grind a lot with it by doing tailslides, noseslides, boardslides, and lipslides. After grinding for so long, your board will wear on the bottom and the picture will be all scratched up.

Switch tricks Riding switch is the opposite of what your rider is used to. If you have a regular stance rider, then switch would be the goofy stance for them, and vice versa. When you do switch tricks, you get more points than what you would normally get for doing it in regular/goofy form. For example, doing a Kickflip (regular) results in 100 points, but a Switch Kickflip gets 120 points. It makes a larger difference on bigger tricks such as specials.

Special moves Do either a manual or a nose-manual, and press Left, Right, B to Spacewalk. This is useful on missions where you can only manual, such as the one in Moscow with the reporters.

Secret tape in Hawaii level Climb the hotel that you start at. Get to the roof and to the right of the pipe on the right is the side of the building. Grind that ledge onto the wire to get the secret tape.

10,000 point gap in Hotter Than Hell level Find the Go-Kart. Drive the Go-Kart around until you find a huge ramp that goes over the center of the level. Drive off it as fast as possible and you will clear a gap that gives you 10,000 points.

Secret tape in Manhattan level When you start, go down the street to the left of the worker with the jackhammer . At the end of the street is a lit up billboard with a ladder. Climb the ladder, then jump and grab the ledge. The tape is there for the taking.

Hitch a ride in Manhattan level When skating in Manhattan, it is possible to ride in the back of the DC trucks driving around the city. Skate behind one and jump into the back when you get a chance. Doing so will allow you hitch a ride around the block.

Secret tape in New Jersey level Go under the bridge on the side that allows you to do so. The tape will be floating there for your taking.

Drive car in New Jersey level In story mode, after you complete the driving mission in New Jersey, go up to the car to drive it.

Secret tape in Slam City Jam level Go to the vert ramp and get off your board. Climb up onto the lights hanging from the ceiling and walk over to the big four-sided television screen. Walk into it and the glass should break. The secret tape will be inside.

Secret tape in Tampa level Go to the small building to the left of the cop car. Climb up the wire that is heading towards the tall building. The tape is in between the gap of the building at the top.

Secret tape in Vancouver level Start at the entrance of the stadium (where the parked trucks are located, and where you get into the contest. From there, look at the tape. You should see it above the glass dome behind the subway-like spline entrance. Go down left from here and wait for a vehicle to drive out of the tunnel. Skitch it towards where you started from. Make sure you are on the left side of the car. When you are about to pass the subway entrance spline, get of the vehicle and spline the entrance from the side. This will launch you across the dome into the secret tape.

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